Air purification device



FIG. 1 is a front view of the air purification device showing theclaimed design;

FIG. 2 is a rear view of the air purification device showing the claimeddesign;

FIG. 3 is a right side view of the air purification device showing theclaimed design;

FIG. 4 is a left side view of the air purification device showing theclaimed design;

FIG. 5 is a top view of the air purification device showing the claimeddesign;

FIG. 6 is a bottom view of the air purification device showing theclaimed design; and,

FIG. 7 is a front perspective view of the claimed design.

The broken lines in the Figures show portions of the air purificationdevice, which form no part of the claimed design.

CLAIM We claim the ornamental design for an air purification device, asshown and described.